28918120
28,918,120 is an even composite number composed of six prime numbers multiplied together.
28918120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28918120:
23 × 5 × 7 × 11 × 41 × 229
(2 × 2 × 2 × 5 × 7 × 11 × 41 × 229)See below for interesting mathematical facts about the number 28918120 from the Numbermatics database.
Names of 28918120
- Cardinal: 28918120 can be written as Twenty-eight million, nine hundred eighteen thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.891812 × 107
Factors of 28918120
Divisors of 28918120
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 7 8 10 11 14 20 22 28 35 40 41 44 55 56 70 77 82 88 110 140 154 164 205 220 229 280 287 308 328 385 410 440 451 458 574 616 770 820 902 916 1145 1148 1435 1540 1603 1640 1804 1832 2255 2290 2296 2519 2870 3080 3157 3206 3608 4510 4580 5038 5740 6314 6412 8015 9020 9160 9389 10076 11480 12595 12628 12824 15785 16030 17633 18040 18778 20152 25190 25256 31570 32060 35266 37556 46945 50380 63140 64120 65723 70532 75112 88165 93890 100760 103279 126280 131446 141064 176330 187780 206558 262892 328615 352660 375560 413116 516395 525784 657230 705320 722953 826232 1032790 1314460 1445906 2065580 2628920 2891812 3614765 4131160 5783624 7229530 14459060 28918120
- Sum of all divisors σ(n): 83462400
- Sum of proper divisors (its aliquot sum) s(n): 54544280
- 28918120 is an abundant number, because the sum of its proper divisors (54544280) is greater than itself. Its abundance is 25626160
Bases of 28918120
- Binary: 11011100101000001011010002
- Hexadecimal: 0x1B94168
- Base-36: H7TD4
Squares and roots of 28918120
- 28918120 squared (289181202) is 836257664334400
- 28918120 cubed (289181203) is 24182999488141899328000
-
The
square root of 28918120 is 5377.5570661779 -
The
cube root of 28918120 is 306.9422590853
Scales and comparisons
How big is 28918120?- 28,918,120 seconds is equal to 47 weeks, 5 days, 16 hours, 48 minutes, 40 seconds.
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To count from 1 to 28,918,120 would take you about nineteen weeks!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 28918120 cubic inches would be around 25.6 feet tall.
Recreational maths with 28918120
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The information we have on file for 28918120 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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